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Reil [10]
3 years ago
8

An arts academy requires there to be 4 teachers for every 84 students and 3 tutors for every 30 students. How many students does

the academy have per​ teacher? Per​ tutor? How many tutors does the academy need if it has 110 students​?
Mathematics
1 answer:
Sonja [21]3 years ago
6 0

Answer:

21 students per teacher

10 students per tutor

10 tutors needed for 110 students

Step-by-step explanation:

84 ÷4=21

30÷3=10

110÷10=10

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Dave bought 8 more Xbox games than Kevin Dave bought 12 games. how many games did Kevin buy​
Nadusha1986 [10]

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Step-by-step explanation:

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3 years ago
what positive number satisfies the condition that twice the number minus three times the reciprocal of the number is equal to 1?
marshall27 [118]
Solve:

"<span>twice the number minus three times the reciprocal of the number is equal to 1."
                                                     3(1)
Let the number be n.  Then 2n - ------- = 1
                                                       n

Mult all 3 terms by n to elim. the fractions:

2n^2 - 3 = n.  Rearranging this, we get 2n^2 - n - 3 = 0.

We need to find the roots (zeros or solutions) of this quadratic equation.

Here a=2, b= -1 and c= -3.  Let's find the discriminant b^2-4ac first:

disc. = (-1)^2 - 4(2)(-3) = 1 + 24 = 25.

That's good, because 25 is a perfect square.
                -(-1) plus or minus 5         1 plus or minus 5
Then x = ------------------------------ = --------------------------
                            2(2)                                  4

x could be 6/4 = 3/2, or -5/4.

You must check both answers in the original equation.  If the equation is true for one or the other or for both, then you have found one or more solutions.</span>
8 0
3 years ago
Please help me i dont understand <br> x - 9x + 3 +8x -3
stiv31 [10]

Answer:

Step-by-step explanation:

Collect the like terms!

x-9x+8x+3-3

Now simplify,

-8x+8x+0

0+0

Answer = 0

4 0
3 years ago
Read 2 more answers
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GuDViN [60]

23 pounds is 368 ounces


8 0
3 years ago
Graph 25 = -5y -3x using the slope and y-intercept
wlad13 [49]

Step-by-step explanation:

you move -5y to the other side.

25=-5y-3xsubtract 25 both sides

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5y=-3x-25divide 5 both sides

y=-3/5x-5

m=-3/5 do rise over runrise/run

b=(0,-5)plot it

3 down and 5 to right or 3 up and 5 left

8 0
3 years ago
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